JPS6122947Y2 - - Google Patents
Info
- Publication number
- JPS6122947Y2 JPS6122947Y2 JP3787081U JP3787081U JPS6122947Y2 JP S6122947 Y2 JPS6122947 Y2 JP S6122947Y2 JP 3787081 U JP3787081 U JP 3787081U JP 3787081 U JP3787081 U JP 3787081U JP S6122947 Y2 JPS6122947 Y2 JP S6122947Y2
- Authority
- JP
- Japan
- Prior art keywords
- base
- cylinder
- boom
- pulley
- rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004804 winding Methods 0.000 claims description 4
- 238000005339 levitation Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3787081U JPS6122947Y2 (fr) | 1981-03-17 | 1981-03-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3787081U JPS6122947Y2 (fr) | 1981-03-17 | 1981-03-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57151388U JPS57151388U (fr) | 1982-09-22 |
JPS6122947Y2 true JPS6122947Y2 (fr) | 1986-07-09 |
Family
ID=29835044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3787081U Expired JPS6122947Y2 (fr) | 1981-03-17 | 1981-03-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6122947Y2 (fr) |
-
1981
- 1981-03-17 JP JP3787081U patent/JPS6122947Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS57151388U (fr) | 1982-09-22 |
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